JP6064733B2 - Rear seat belt guide - Google Patents

Description

  The present invention relates to a belt guide for a rear seat back, and more specifically, is disposed on the vehicle outer side than the headrest of each seat at the upper portion of the left and right rear seats, and behind the seat back and closer to the vehicle outer side of each seat. The belt guide for the rear seat seat back that holds the shoulder belt of the three-point seat belt drawn forward from the belt retractor disposed in the front-rear direction.

In general, the seat belt for restraining the rear seat occupant always hangs the shoulder belt from the front of the seat back by a belt guide when the occupant is not seated.
The occupant seated in the rear seat first sits on the seat cushion and deposits his back in the seat back, then grabs the shoulder belt with one hand (usually the opposite side of the belt retractor), and below the shoulder belt The shoulder belt is pulled out toward the center of the vehicle and downward until the tongue that is locked to reaches the buckle at the rear portion of the seat cushion.

At this time, the shoulder belt passes through the neck of the occupant outside the vehicle, so depending on the momentum of pulling the shoulder belt, the retractor installation position and tongue position specific to each vehicle, and the relationship between the seatback height, There was a problem that the end of the belt on the center side in the vehicle width was in contact with the neck so that the occupant felt uncomfortable.
In order to eliminate this unpleasant feeling, the belt insertion hole of the belt guide may be positioned further to the outside of the vehicle, but in this case, a new effect that the occupant restraint performance at the time of the original collision of the seat belt is affected. Problems arise.

  By the way, Patent Document 1 discloses a belt guide for a general rear seat back including a release knob guard cover and a belt through hole for inserting and holding a shoulder belt in the front-rear direction. Patent Document 1 does not disclose or suggest the technical problem of the present application that the end of the shoulder belt on the center side of the vehicle width contacts the occupant's neck.

  Further, in Patent Document 2, a belt guide is disposed outside the headrest in the upper part of the seat back of the rear seat, and the belt guide has a substantially V-shaped and slit-shaped belt insertion hole portion in a front view of the vehicle. However, Patent Document 2 is intended to optimize the belt position during normal wearing. Also in Patent Document 2, the end of the shoulder belt on the vehicle width center side is disclosed. There is no disclosure or suggestion of the technical problem of the present application, in which the vehicle touches the occupant's neck.

JP2011-157020A JP 2006-218882 A

  Therefore, the present invention prevents the uncomfortable feeling by preventing the end of the shoulder belt on the center side of the vehicle width from rubbing against the occupant's neck without affecting the occupant restraint performance by the seat belt at the time of collision. An object of the present invention is to provide a belt guide for a rear seat back.

The belt guide for the seat back of the rear seat according to the present invention is arranged at the upper part of the seat backs of the left and right rear seats, outside the headrest of each seat, and behind the seat back and closer to the vehicle exterior of each seat. a seat back of the belt guide after holding the belt retractor by inserting the shoulder belt of three-point seat belt drawn out forwardly in the longitudinal direction, the vehicle width direction with a substantially constant clearance for inserting the upper Symbol shoulder belt A slit-like insertion hole portion extending to the seat, and the insertion hole portion gradually bends upward from below as it approaches the headrest of the seat on which the shoulder belt is worn from the outside of the vehicle. Round the shoulder belt so that the rounded rounded portion is convex toward the headrest side, and the vehicle width of the shoulder belt Has a substantially semi-circular path for directing the end on the side outside of the vehicle, the ends of the vehicle width center side is the also you end directed to the vehicle exterior side.

According to the above configuration, when the occupant sits on the rear seat and pulls out the shoulder belt, the shoulder belt is rounded so as to be convex toward the headrest side by a substantially semicircular path. For this reason, even when the shoulder belt hits the occupant's neck, the shoulder belt is rounded so that the rounded belly (the rounded portion) hits, and the end of the shoulder belt at the vehicle width center side is the vehicle. By directing to the outside, the end does not rub against the occupant's neck.
Therefore, an occupant's discomfort can be solved only by the structure of the insertion hole part of a belt guide, without affecting the passenger | crew restraint performance by the seatbelt at the time of a collision.
Furthermore, even when the shoulder belt is pulled out vigorously, the shoulder belt escapes along a substantially semicircular path, so the end of the shoulder belt is rubbed against the end of the substantially semicircular path to reduce the resistance of the drawer. Can be reduced.

  In one embodiment of the present invention, the lower end portion of the substantially semicircular path is set to the lowest portion of the insertion hole portion.

  According to the above configuration, due to the operation force when the shoulder belt is pulled out and mounted, the central portion in the width direction of the shoulder belt is close to the lowest portion (the portion where the vertical position is the lowest), so that the shoulder belt can be secured. Can do.

  In one embodiment of the present invention, the insertion hole portion has a vehicle width of the shoulder belt in a state where an end portion of the shoulder belt on the vehicle width center side is in contact with a terminal portion on the vehicle interior side of the insertion hole portion. The outer end portion is provided so as to be located on the outer side of the vehicle width from the substantially semicircular lower end portion.

According to the present invention, when the occupant sits on the rear seat and pulls out the shoulder belt, the shoulder belt is rounded so as to be convex toward the headrest side by a substantially semicircular path. For this reason, even when the shoulder belt hits the occupant's neck, the shoulder belt is rounded so that the rounded belly (the rounded portion) hits, and the end of the shoulder belt at the vehicle width center side is the vehicle. By directing to the outside, the end does not rub against the occupant's neck.
Therefore, there is an effect that the occupant's discomfort can be solved only by the configuration of the insertion hole portion of the belt guide without affecting the occupant restraining performance by the seat belt at the time of collision.

A half plan view of a rear portion of a vehicle provided with a belt guide for a rear seat back of the present invention 1 is a cross-sectional view taken along line AA in FIG. Perspective view showing a seat belt device The perspective view which shows the attachment position of a belt guide Perspective view when pulling out shoulder belt Perspective view showing belt guide mounting structure Front view of FIG. Left side view of FIG. Right side view of FIG. Top view of belt guide alone

The purpose of preventing the discomfort is to prevent the end of the shoulder belt at the center of the vehicle width from rubbing against the occupant's neck without affecting the occupant restraint performance by the seat belt at the time of collision. The shoulder of the three-point seat belt, which is arranged on the outer side of the headrest of each seat at the upper part of the seat back of the seat and pulled forward from the belt retractor disposed behind the seat back and closer to the outer side of the seat. in seat back of the belt guide after holding by inserting the belt in the longitudinal direction, has a slit-shaped insertion hole extending in the vehicle width direction with a substantially constant clearance for inserting the upper Symbol shoulder belt, said insertion passage As the hole approaches the headrest of the seat on which the shoulder belt is worn from the outside of the vehicle, the hole gradually bends upward from the lower side and rises. The belt is rounded so that the rounded rounded portion is convex toward the headrest side, and the shoulder belt has a substantially semicircular path that directs the end on the vehicle width center side toward the vehicle outer side. and, the ends of the vehicle width center side is realized by structure called you end directed to the vehicle exterior side.

An embodiment of the present invention will be described in detail with reference to the drawings.
The drawing shows a belt guide for a rear seat back. First, a rear vehicle body structure will be described with reference to FIGS.
As shown in FIG. 2, a kick-up portion 2 rising upward is integrally or integrally provided at the rear end portion of the floor panel 1, and substantially horizontally from the upper end of the kick-up portion 2 to the rear. An extending rear seat pan 3 is provided.
A luggage compartment floor panel 5 is integrally or integrally connected to the rear end portion of the rear seat pan 3 via a slant portion 4 inclined in a front-rear and rear-rear shape.
A closed cross section 7 extending in the vehicle width direction is formed between the rear surface of the kick-up portion 2 and the front lower surface of the rear seat pan 3 to improve the vehicle body rigidity.

A rear cross member upper 8 extending in the vehicle width direction is joined and fixed to the upper surface portion of the slant portion 4 described above, and extends in the vehicle width direction between the rear cross member upper 8 and the upper surface portion of the slant portion 4. A closed section 9 is formed.
Further, a rear cross member lower 10 extending in the vehicle width direction is joined and fixed to the lower surface portion of the slant portion 4 at a position facing the rear cross member upper 8 in the vertical direction. A closed section 11 extending in the vehicle width direction is formed between the lower surface of the slant section 4 and the upper and lower closed sections 9 and 11 are overlapped to improve the rear vehicle body rigidity. .

A vehicle compartment 13 is formed between the floor panel 1 and the roof panel 12 described above, while a cargo compartment 14 is formed at the rear portion of the compartment 13 and an opening 15 at the rear end of the cargo compartment 14 is formed by a lift gate. It is configured to cover it so that it can be opened and closed.
The left and right sides of the cargo floor panel 5 and the floor panel 1 including the rear seat pan 3 and the slant portion 4 are provided with rear side frames 16 (however, only the right rear side frame is shown in the drawing). A front end portion of the frame 16 is connected to a rear end portion of the side sill 17.
A roof side rail 18 having a closed cross-sectional structure extending in the longitudinal direction of the vehicle is provided on both side portions of the roof panel 12 described above. A rear door opening 19 and an opening for the cargo compartment 14 are provided at the rear end portion of the roof side rail 18. A rear pillar 20 extending in the vertical direction of the vehicle is provided between the portion 15 and the roof side rail 18. The upper end portion of the rear pillar 20 is formed so as to be located inward in the vehicle width direction as indicated by a virtual line in FIG.

  As shown in FIG. 1, the above-described rear pillar 20 includes a rear pillar outer 20A that also serves as a vehicle body outer plate, a rear pillar inner 20B, and a rear pillar reinforcement 20C having a hat-shaped cross section. The rear pillar outer 20A and the rear pillar inner 20B This is a vehicle body strength member provided with a rear pillar closed section 20D extending in the vertical direction by joining and fixing.

As shown in FIGS. 1 and 2, a rear seat 21 as a rear seat is provided on the rear seat pan 3 described above.
In the drawing, only the rear seat 21 on the right side of the vehicle and the right half of the central seat 22 (so-called center seat) are shown, but the rear seat on the left side of the vehicle and the left half of the central seat 22 are formed substantially symmetrically with the structure on the right side. Yes. The same applies to the structure of the seat belt device 23 and the belt guide 25 described below.

The right rear seat 21 includes a seat cushion 21C on which an occupant sits, a seat back 21B that forms a backrest surface of the occupant, and a headrest 21H that holds the occupant's head.
Similarly, the central seat 22 includes a seat cushion 22C on which an occupant sits, a seat back 22B that forms a backrest surface of the occupant, and a headrest 22H that holds the occupant's head.

FIG. 3 is a perspective view showing the seat belt device. As shown in FIGS. 1, 2, and 3, a seat belt device 23 is provided corresponding to the right rear seat 21. The seat belt device 23 includes a seat belt 24 (so-called webbing), a synthetic resin belt guide 25 for guiding a longitudinal intermediate portion of the seat belt 24, a belt retractor 26, and an intermediate tongue 27 as a movable tongue. It has.
The belt guide 25 described above is disposed on the vehicle exterior side of the headrest 21H in the upper part of the seat back 21B of the rear seat 21. The belt retractor 26 described above is disposed behind the rear seat 21 and closer to the vehicle exterior of the rear seat 21. Specifically, the belt retractor 26 has a seat belt 24 that is drawn forward from the retractor 26 and inserted and held by the belt guide 25, as shown in FIG. 2, is substantially horizontal in side view, and as shown in FIG. In a plan view, the retractor 26 side of the seat belt 24 is installed on the outer side in the vehicle width direction with respect to the belt guide 25 side of the seat belt 24.

As shown in FIGS. 1 to 3, the belt retractor 26 is integrally formed with a fastening piece 26 a extending rearward from the upper portion thereof, and on the inner side surface in the vehicle width direction of the rear pillar inner 20 B of the rear pillar 20, a mounting bracket 28 is provided. The fastening piece 26a of the belt retractor 26 is fastened and fixed to the mounting bracket 28 using a fastening member 29 such as a bolt or a nut.
The above-described seat belt 24 is drawn forward from the belt retractor 26, inserted and held by the belt guide 25, and suspended from the front surface of the seat back 21B. The hanging lower end portion of the seat belt 24 is on the vehicle body side such as the rear seat pan 3 or the like. When the intermediate tongue 27 is engaged with the buckle BU at the rear part of the seat cushion 21C when restraining the rear seat occupant, a three-point seat belt is formed, The seat belt 24 between the intermediate tongue 27 engaged with the buckle BU becomes the shoulder belt 30 and the seat belt 24 between the intermediate tongue 27 engaged with the buckle BU and the belt anchor on the body side is the lap belt. It becomes.

  That is, the belt guide 25 of the rear seat seat back in this embodiment is disposed on the vehicle outer side than the headrest 21H of the rear seat 21 at the upper portion of the seat back 21B of the rear seat 21 as the rear seat, and is rearward of the seat back 21B and rear seat. A shoulder belt 30 of a three-point seat belt 24 drawn forward from a belt retractor 26 installed on the outer side of the vehicle 21 is inserted and held in the front-rear direction.

  4 is a perspective view showing a belt guide mounting position, FIG. 5 is a perspective view when the shoulder belt is pulled out, FIG. 6 is a perspective view showing a belt guide mounting structure, FIG. 7 is a front view of FIG. 6, and FIG. 7 is a left side view of FIG. 7, FIG. 9 is a right side view of FIG. 7, and FIG. 10 is a plan view of a belt guide alone.

As shown in FIGS. 6 to 9, a seat back frame 31 made of a metal round pipe is provided inside the seat back 21 </ b> B of the rear seat 21. A front bracket 32 having a substantially Z-shape in a side view that rises upward from the rear side, a rear bracket 33 that rises upward from its rear part, a side bracket 34 that rises obliquely outward from its outer part, and a front bracket 32 An upper bracket 35 that is bonded and fixed to the upper portion and extends upward is provided, and the base portion 25A of the belt guide 25 is firmly fixed to the upper portions of the rear bracket 33, the side bracket 34, and the upper bracket 35.
6 to 9, reference numeral 36 denotes a back plate provided on the back side (rear side surface) of the seat back frame 31.

  As shown in FIGS. 4 and 5, the base portion 25 </ b> A of the belt guide 25 is provided so as to be exposed on the upper portion of the seat back 21 </ b> B of the rear seat 21, so-called shoulder portion of the seat back 21 </ b> B.

As shown in FIGS. 4, 5, 6, and 10, the base portion 25 </ b> A of the belt guide 25 is formed in a square shape in plan view, and on the headrest 21 </ b> H side (inner side in the vehicle width direction), An operation button 37 for releasing the fixed state of the backrest angle of the seat back 21B is provided.
On the vehicle outer side of the position of the operation button 37 in the base portion 25A of the belt guide 25, there are a guide portion 25B and a side edge and an upper portion of the guide portion 25B so as to rise upward from the vehicle longitudinal direction middle portion of the base portion 25A. Guard portions 25C and 25D located at the periphery are provided.

  As shown in the plan view of FIG. 10, the lower part of the guide part 25B is formed to have a front and rear width larger than the front and rear widths of the upper parts of the guard parts 25C and 25D, and at the time of collision input through the shoulder belt 30 It is comprised so that the rigidity which can fully endure the load of this is ensured.

As shown in FIG. 7, the guide portion 25B of the belt guide 25 is formed with a slit-like insertion hole portion 40 extending in the vehicle width direction with a substantially constant gap in order to insert the shoulder belt 30 in the front-rear direction. ing.
The insertion hole 40 gradually bends upward from below as it approaches the headrest 21H of the rear seat 21 on which the shoulder belt 30 is worn from the outside of the vehicle (from the side of the bottom 41b described later). A substantially semicircular path (hereinafter simply abbreviated as a substantially semicircular slit 41) that protrudes laterally toward the vehicle, and has an upper end portion 41a that has a vehicle width direction shape that terminates toward the outside of the vehicle. Yes.
Further, the lower end portion of the above-described substantially semicircular slit 41 is set to the bottom portion 41 b as the lowest portion having the lowest position in the insertion hole portion 40.
A curved slit 42 having a rising shape extending outwardly in the vehicle width direction while continuously and smoothly curving upward is provided in the bottom portion 41b, and the vehicle outer side end portion 42a of the curved slit 42 is a corner of the guard portion 25D. It terminates on the inner surface of the part.

That is, the above-described insertion hole portion 40 is configured by the substantially semicircular slit 41 between the upper end portion 41a and the bottom portion 41b and the curved slit 42 extending in the vehicle width direction.
Further, as shown in FIG. 7, the guide portion 25 </ b> B of the belt guide 25 extends vertically in the vehicle width direction inner position than the center in the vehicle width direction, i.e., a position closer to the headrest 21 </ b> H, and the upper end is opened. In addition, a belt insertion port 43 whose lower end communicates with the curved slit 42 in the insertion hole 40 is formed. Here, the upper portions of the guard portions 25C and 25D described above are spaced apart from each other so as to communicate with the open upper end portion of the belt insertion port 43.

  As shown in FIG. 3, the shoulder belt 30 has a predetermined width L. In order to insert the shoulder belt 30 having the predetermined width L into the insertion hole 40 of the belt guide 25, first, the shoulder belt 30 is illustrated. 7 is inserted into the belt insertion opening 43 from the upper end opening side, moved downward, and once moved to the side opposite to the headrest (that is, the vehicle width direction outside) of the curved slit 42 in the insertion hole portion 40, the shoulder The belt 30 is positioned in the insertion hole 40.

  In this case, as shown in FIG. 7, the length L2 from the lower end of the belt insertion port 43 to the outer end in the vehicle width direction of the insertion hole 40 is the opposite side, that is, the lower end of the belt insertion port 43 to the insertion hole 40. Therefore, the shoulder belt 30 can be easily inserted into the insertion hole portion 40 because it is longer than the length L1 to the inner end portion in the vehicle width direction.

  By the way, as shown by a dotted line in FIG. 1, when the full width of the automobile is larger than that of the embodiment, and the retractor installation position β1 is installed on the outer side of the embodiment, the shoulder belt is attached. Even if the shoulder belt is pulled out and worn, the end of the vehicle width center side does not rub against the occupant's neck as shown by the dotted line β2 in FIG. 1, but in this embodiment, the belt retractor 26 unique to the automobile is used. When the shoulder belt 30 is pulled out, the shoulder belt 30 is in contact with the occupant's neck as shown by the phantom line α in FIG.

Therefore, in this embodiment, when the rear seat occupant sits on the rear seat 21 and pulls out the shoulder belt 30, as shown in FIG. 5, the shoulder belt 30 is projected sideways toward the headrest 21H by the substantially semicircular slit 41. Round to be For this reason, even in a situation where the shoulder belt 30 hits the occupant's neck (see the phantom line α in FIG. 1), the shoulder belt 30 is rounded so that the rounded belly (the rounded portion) 30a hits, Since the end 30b of the shoulder belt 30 on the vehicle width center side is directed to the outside of the vehicle, the end 30b is not rubbed against the occupant's neck. Therefore, the passenger's discomfort can be solved only by the structure of the insertion hole portion 40 of the belt guide 25 without affecting the rear seat occupant restraining performance by the seat belt 24 at the time of collision.
In the figure, arrow F indicates the front of the vehicle, arrow R indicates the rear of the vehicle, arrow IN indicates the inward in the vehicle width direction, and arrow OUT indicates the outward in the vehicle width direction. In the above embodiment, only the configuration on the right side of the vehicle has been described, but the left side of the vehicle is configured substantially symmetrically with that on the right side.

  As described above, the belt guide of the rear seat back of the above-described embodiment is disposed on the vehicle outer side than the headrest 21H of each seat above the seat back 21B of the left and right rear seats (see the rear seat 21). This is a belt guide 25 for a rear seat seat back for inserting and holding a shoulder belt 30 of a three-point seat belt 24 pulled out forward from a belt retractor 26 installed at the rear and on the outer side of each seat. The shoulder belt 30 has a slit-like insertion hole portion 40 extending in the vehicle width direction with a substantially constant gap, and the shoulder belt 30 is worn from the outside of the vehicle. As the seat (rear seat 21) approaches the headrest 21H, the headrest 2 is gradually bent upward from below. Containing a substantially semicircular path (refer to a substantially semicircular slit 41) that protrudes toward H and having an end portion (see an upper end portion 41a) that terminates in the vehicle width direction. (See FIGS. 3 and 7).

According to this configuration, when the occupant sits on the rear seat (rear seat 21) and pulls out the shoulder belt 30, the shoulder belt 30 protrudes toward the headrest 21H side by the substantially semicircular path (substantially semicircular slit 41). It becomes round so that it becomes. Therefore, even if the shoulder belt 30 hits the occupant's neck, as shown in FIG. 5, the shoulder belt 30 is rounded so that the rounded abdomen 30a (the rounded portion) hits the shoulder belt. The end portion 30b on the vehicle width center side of 30 is directed toward the outside of the vehicle, so that the end portion 30b does not rub against the occupant's neck.
Therefore, the passenger's discomfort can be solved only by the configuration of the insertion hole portion 40 of the belt guide 25 without affecting the occupant restraining performance by the seat belt 24 at the time of collision.
Furthermore, even when the shoulder belt 30 is pulled out vigorously, the shoulder belt 30 escapes along a substantially semicircular path (substantially semicircular slit 41), so that the end 30b of the shoulder belt 30 is substantially semi-circular. It is possible to reduce the occurrence of drag resistance due to rubbing against the end (upper end portion 41a) of the circular path (substantially semicircular slit 41).
Moreover, the lower end part of the substantially semicircular path (substantially semicircular slit 41) is set to the lowest part (see the bottom part 41b) of the insertion hole 40 (see FIG. 7).

According to this configuration, the shoulder belt 30 is positioned at the center in the width direction (bottom portion 41b) by the operating force when the shoulder belt 30 is pulled out and attached. Can do.
Further, the belt guide 25 has a belt insertion opening 43 that extends vertically in the vehicle width direction inside the vehicle width direction center of the guide portion 25B, has an upper end opened, and has a lower end communicating with the insertion hole portion 40. Is formed (see FIG. 7).

According to this configuration, the shoulder belt 30 having a predetermined width L (see FIG. 3) is inserted from the belt insertion port 43, and once moved to the side opposite to the headrest of the insertion hole 40, the shoulder belt 30 is inserted into the insertion hole. 40, the length L2 from the lower end of the belt insertion port 43 to the vehicle width direction outer side end portion (see the vehicle outer side end portion 42a) of the insertion hole 40 is longer than the length L1 on the opposite side ( Since L2> L1), the shoulder belt 30 can be easily inserted into the insertion hole 40.
In addition, as disclosed in the above embodiment, when the curved slit 42 is formed in a raised shape so that the vehicle width direction outer side of the curved slit 42 is positioned upward, the occupant removes the shoulder belt 30 and removes the shoulder When the belt 30 is wound around the belt retractor 26, the contact resistance between the shoulder belt 30 and the front surface of the seat back 21B becomes as small as possible, so that the winding performance of the belt retractor 26 can be improved.

In the correspondence between the configuration of the present invention and the above-described embodiment,
The rear seat of the present invention corresponds to the rear seat 21 of the embodiment,
Similarly,
The substantially semicircular path corresponds to the substantially semicircular slit 41,
The end of the substantially semicircular path corresponds to the upper end 41a of the substantially semicircular slit 41,
The lowest part of the insertion hole part corresponds to the bottom part 41b,
The present invention is not limited to the configuration of the above-described embodiment.

  As described above, according to the present invention, in the upper part of the left and right rear seat backs, the belt retractor is disposed outside the headrest of each seat and behind the seat back and near the outside of each seat. This is useful for a belt guide for a backseat seat back in which a shoulder belt of a three-point seat belt drawn forward from the shoulder is inserted and held in the front-rear direction.

21 ... Rear seat (rear seat)
21B ... Seat back 21H ... Headrest 24 ... Seat belt 25 ... Belt guide 26 ... Belt retractor 30 ... Shoulder belt 30a ... Belly (Rear part)
30b ... End 40 of vehicle width center side ... Insertion hole 41 ... Substantially semicircular slit (substantially semicircular path)
41a ... Upper end (end)
41b ... Bottom part (minimum part)
43 ... Belt insertion slot

Claims (3)

A three-point seat belt that is placed on the outside of the headrest of each seat at the upper part of the seatbacks of the left and right rear seats and pulled forward from a belt retractor located behind the seatback and near the outside of each seat A belt guide for the rear seat seat back that holds the shoulder belt inserted in the front-rear direction ,
A slit-shaped insertion hole extending in the vehicle width direction with a substantially constant gap through which the shoulder belt is inserted;
The insertion hole portion gradually bends upward as it approaches the headrest of the seat where the shoulder belt is worn from the outside of the vehicle, and the shoulder belt is rounded so that the rounded round portion is The shoulder belt has a substantially semicircular path that is convex toward the headrest side and that directs the end of the shoulder belt on the vehicle width center side toward the vehicle outer side. seat back of the belt guide after directing the outside, characterized in the end to Turkey. The belt guide for a backseat seat back according to claim 1, wherein a lower end portion of the substantially semicircular path is set at a lowest portion of the insertion hole portion. In the state where the end portion of the shoulder belt on the vehicle width center side is in contact with the terminal portion on the vehicle interior side of the insertion hole portion, the end portion on the vehicle width outer side of the shoulder belt is substantially the same. The belt guide for the rear seat back according to claim 1 or 2, wherein the belt guide is provided so as to be located outside the vehicle width from the semicircular lower end.

Images